diff --git a/grass.pc.in b/grass.pc.in
index 94ca57b65..aec77d095 100644
--- a/grass.pc.in
+++ b/grass.pc.in
@@ -2,13 +2,13 @@
 #
 # See also: grass --config
 
-prefix=@prefix@/grass-@GRASS_VERSION_MAJOR@.@GRASS_VERSION_MINOR@.@GRASS_VERSION_RELEASE@
-exec_prefix=@prefix@/grass-@GRASS_VERSION_MAJOR@.@GRASS_VERSION_MINOR@.@GRASS_VERSION_RELEASE@
-libdir=@prefix@/grass-@GRASS_VERSION_MAJOR@.@GRASS_VERSION_MINOR@.@GRASS_VERSION_RELEASE@/lib
-includedir=@prefix@/grass-@GRASS_VERSION_MAJOR@.@GRASS_VERSION_MINOR@.@GRASS_VERSION_RELEASE@/include
+prefix=@libdir@/grass-@GRASS_VERSION_MAJOR@.@GRASS_VERSION_MINOR@.@GRASS_VERSION_RELEASE@
+exec_prefix=@libdir@/grass-@GRASS_VERSION_MAJOR@.@GRASS_VERSION_MINOR@.@GRASS_VERSION_RELEASE@
+libdir=@libdir@/grass-@GRASS_VERSION_MAJOR@.@GRASS_VERSION_MINOR@.@GRASS_VERSION_RELEASE@/lib
+includedir=@libdir@/grass-@GRASS_VERSION_MAJOR@.@GRASS_VERSION_MINOR@.@GRASS_VERSION_RELEASE@/include
 
 Name: GRASS
 Description: GRASS GIS
 Version: @GRASS_VERSION_MAJOR@.@GRASS_VERSION_MINOR@.@GRASS_VERSION_RELEASE@
-Libs: -L@prefix@/grass-@GRASS_VERSION_MAJOR@.@GRASS_VERSION_MINOR@.@GRASS_VERSION_RELEASE@/lib -lgrass_gmath -lgrass_gis -lgrass_datetime -lgrass_gproj -lgrass_raster -lgrass_vector -lgrass_dbmibase -lgrass_dbmiclient -lm -lz
-Cflags: -I@prefix@/grass-@GRASS_VERSION_MAJOR@.@GRASS_VERSION_MINOR@.@GRASS_VERSION_RELEASE@/include
+Libs: -L@libdir@/grass-@GRASS_VERSION_MAJOR@.@GRASS_VERSION_MINOR@.@GRASS_VERSION_RELEASE@/lib -lgrass_gmath -lgrass_gis -lgrass_datetime -lgrass_gproj -lgrass_raster -lgrass_vector -lgrass_dbmibase -lgrass_dbmiclient -lm -lz
+Cflags: -I@libdir@/grass-@GRASS_VERSION_MAJOR@.@GRASS_VERSION_MINOR@.@GRASS_VERSION_RELEASE@/include